GeoSat 1.2 Meter KA-Band (27.5~31,17.7~21.2 GHz) Earth Station Antenna
- Frequency range – 17.7 – 21.2, 27.5 – 31 GHz
- Feed Interface – WR-42, WR-28
Description
- Frequency range – 17.7 – 21.2, 27.5 – 31 GHz
- Feed Interface – WR-42, WR-28
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ELECTRICAL SPECIFICATION |
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Item |
Specification |
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Ka-Band |
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Receive |
Transmit |
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Operation Frequency, GHz |
17.7~21.2 |
27.5~31 |
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| Gain, Mid-band, dBi |
46.2 |
49.5 |
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| Polarization |
Linear/Circular |
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| XPD (on Axis), dB |
35 |
35 |
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| XPD (across 1dB Beam width), dB |
33 |
33 |
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Axial Ratio(Circular-Polarized), 2-port Feed |
1.2 |
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| VSWR | 1.3 |
1.3 |
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Antenna Noise Temperature |
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| 5°Elevation |
181°K |
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| 10°Elevation |
140°K |
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20°Elevation |
109°K |
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| 40°Elevation |
90°K |
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| -3dB Beam width, Mid-band |
0.69° |
0.5° |
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| -10dB Beam width, Mid-band |
1.39° |
0.81° |
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| TX. Power Capability, W |
500 |
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| Feed Interface |
WR-42 |
WR-28 |
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| Feed Insertion Loss |
0.6. |
0.4 |
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| Isolation, TX to Rx,dB |
85 |
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| First Side Iobe |
-14 |
-14 |
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| 90% Peaks under Following Envelop |
29-25logθ(1°≤θ<20°) |
29-25logθ(1°≤θ<20°) |
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